Animal watering valve



FIG. 1 is a left, rear perspective view of an animal watering valve showing my new design;

FIG. 2 is a right, front perspective view thereof;

FIG. 3 is a left, rear perspective view thereof showing the switch cover in an open position; and,

FIG. 4 is a right, front perspective view thereof showing the switch cover in an open position. 

The ornamental design for a animal watering valve, as shown and described. 